WL Co32

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WL Co32

Stellite F Stellite 32 Rod Hard Facing Rod Engine Inlet And Exhaust Valve Hot Shear Knife

Properties: Thermal stability and corrosion resistance

Application: Engine inlet and exhaust valve

008615801826494

singoo@wl-allotech.com

8615801826494

WL Co32

description1

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Product Description

WL cobalt base F casting rod surfacing metal maintains good wear and corrosion resistance at 650 degrees. It should be able to maintain good wear resistance and a certain degree of corrosion resistance when working at 650 degrees Celsius. For example, high temperature and high pressure welding valves and hot scissors, affect the position of cold and hot staggered workpiece.

Note:

1.Before welding, the electrode must be baked for about 150℃ for 1 hour.

2.Small current and short arc surfacing should be adopted to avoid increasing the penetration of base metal and reducing the performance of surfacing alloy.

3.according to the type of base metal and workpiece size, can choose 350-500℃ preheating temperature and 350℃ interlayer temperature for surfacing.

4.according to the working conditions generally choose 600-750℃, heat preservation 1-2 hours with the furnace slow cooling, or put the workpiece in the dry and preheated sand cylinder or grass ash slow cooling.

Common Names:Stellite F, BISHILITE (MHA) No.32, Weartech WT-32

Hardness: 40-45HRC

Chemical Composition(%)

C	Si	Mn	Mo	Cr	W	Ni	Fe	Co	Density	Melting Range
1.7	≤2.0	≤0.5	≤1.0	26.00	12.5	22.0	≤3.0	Rest	8.44 g/cm3	1285 - 1410 ºC

Packing Details

For length 350mm 500mm pack in carton each 5kg
For 1000mm packing in 5kg tube, 4 tubes in one 20kg carton
For length more than 1000mm, pack in wooden box directly

Applications

High temperature and high pressure welding valve and hot shear knife, the impact of hot and cold staggered place.

Type We Could Offer

Trademark	Nominal Chemical Composition										HRC	Application
Trademark	C	Cr	Si	W	Ni	Fe	Mn	Mo	Co	B	HRC	Application
WL Co1	2.45	30.0	1.0	13.0	≤3.0	≤3.0	≤1.0	≤1.0	Bal.		50-58	Valve seat insets, bearing, sawteeth, rotary ring, Pump Sleeves
WL Co3	2.4	30.5	1.0	13.0	≤3.0	≤3.0	≤1.0	≤1.0	Bal.		50-56	Valve seat insets,steel mill guide roll, wearing panel of cracker blade, etc.
WL Co4	1.0	31.0	1.0	14.0	≤3.0	≤1.0	≤0.5	≤0.5	Bal.		45-50	Hot extrusion die, dry battery industry
WL Co6	1.2	29.0	1.0	4.5	≤3.0	≤3.0	≤1.0	≤1.0	Bal.		40-46	Engine valve, high temperature valve, turbine blade
WL Co12	1.4	30.0	1.3	8.5	≤3.0	≤3.0	≤1.0	≤1.0	Bal.		44-50	Pressure valves, sawteeth screw fights
WL Co20	2.5	32.0	1.0	17.0	≤3.0	≤3.0	≤0.5	≤1.0	Bal.		54-59	Wear plate, bearing sleeve, etc.
WL Co21	0.2	27.0	1.0	0.2	≤3.0	≤2	≤1.0	≤5.5	Bal.		20-40	Fluid valve seat, turbine blades, hot forging die
WL Co25	0.05	20.0	1.0	15.0	10.0	≤2.0	≤1.5	≤1.0	Bal.		24	High temperature and corrosion-resistant valve sealing surface, pressure casting dies, etc.
WL Co31	0.5	26.0	1.0	7.5	10.0	≤3.0	≤1.0	≤1.0	Bal.		30-35	Extrusion die, steam turbine blade, etc.
WL Co32	1.8	26.0	1.2	12.0	22.0	≤1.5	≤0.5	≤1.0	Bal.		40-45	Engine inlet and exhaust valve
WL Co190	3.2	26.0	1.0	14.0	≤1.0	≤3.0	≤1.0	≤1.0	Bal.		54-60	Petroleum drill bit, mining industry
WL CoT400	0.08	8.5	2.6		1.5	≤1.5	≤1.0	28	Bal.	0.8	50-60	Valve and roller path, plastic extruder in strongly corrosive
WL CoT800	0.08	18.0	3.4		≤1.5	1.5	≤1.0	28	Bal.	0.8	52-58	Valve and roller path, plastic extruder in strongly corrosive